CN202411963U - Air conditioning device of water chiller - Google Patents
Air conditioning device of water chiller Download PDFInfo
- Publication number
- CN202411963U CN202411963U CN2011205376785U CN201120537678U CN202411963U CN 202411963 U CN202411963 U CN 202411963U CN 2011205376785 U CN2011205376785 U CN 2011205376785U CN 201120537678 U CN201120537678 U CN 201120537678U CN 202411963 U CN202411963 U CN 202411963U
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- Prior art keywords
- water
- cooling
- aircondition
- lathe
- temperature
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 238000004378 air conditioning Methods 0.000 title abstract 5
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000000498 cooling water Substances 0.000 claims description 44
- 238000001704 evaporation Methods 0.000 claims description 29
- 230000008020 evaporation Effects 0.000 claims description 29
- 239000000523 sample Substances 0.000 claims description 13
- 238000003754 machining Methods 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses an air conditioning device of a water chiller, which is applied to a machine tool and comprises a direct-current variable-frequency compressor, a condenser, an evaporator and a cooling circulation mechanism. The direct-current variable-frequency compressor, the condenser and the evaporator are connected with each other by pipelines to form a loop, one end of the condenser is connected with an exhaust pipe of the direct-current variable-frequency compressor, the other end of the condenser is connected with one end of the evaporator, the other end of the evaporator is connected with an air return pipe of the direct-current variable-frequency compressor, the cooling circulation mechanism is connected with the machine tool and controls the temperature of oil of the machine tool by the aid of water circulation, and the evaporator is disposed in the cooling circulation mechanism. The air conditioning device of the water chiller is provided with the direct-current variable-frequency compressor, temperature control precision of the air conditioning device of the water chiller can be greatly improved, machining precision of the machine tool is enhanced, power consumption of the air conditioning device of the water chiller is reduced, and accordingly expenditure on electricity of an enterprise can be saved.
Description
Technical field
The utility model relates to refrigeration technology field, specially refers to a kind of cooling-water machine aircondition.
Background technology
In machining, the extensive application of Digit Control Machine Tool, CNC machining tool and all kinds of precision machine tools makes industrial cooling-water machine obtain a large amount of uses.Cool-water Machine for Industry mainly is the temperature that is used for controlling the spindle oil and the hydraulic system transmission oil of lathe, reduces the thermal deformation of lathe, thereby improves the machining accuracy of lathe.Present lathe cooling-water machine great majority use fixed AC compressor frequently; This fixed cooling-water machine frequently can only lean on compressor constantly to do start-stop and move the purpose that reaches the cooler bed apparatus; But, can make that like this temperature control precision of cooling-water machine is poor, thereby reduce the machining accuracy of lathe.On the other hand; Because the service time of industrial lathe is long usually, or even work in 24 hours, this just makes fixed cooling-water machine frequently also want work in 24 hours; Yet, cause enterprise to pay the higher electricity charge and use for fixed cooling-water machine frequently because the power consumption of fixed cooling-water machine frequently is very big.
The utility model content
The main purpose of the utility model is for providing a kind of cooling-water machine aircondition; Adopt DC frequency-changeable compressor; Not only can improve the temperature control precision of cooling-water machine aircondition greatly; And improved the machining accuracy of lathe, reduce the power consumption of cooling-water machine aircondition, thereby can save the electricity charge expenditure of enterprise.
The utility model provides a kind of cooling-water machine aircondition; Be applied to lathe; Said cooling-water machine aircondition comprises DC frequency-changeable compressor, condenser and the evaporimeter that is interconnected to the loop through pipeline; One end of said condenser is connected with the blast pipe of said DC frequency-changeable compressor, and the other end is connected with an end of said evaporimeter, and the other end of said evaporimeter links to each other with the muffler of said DC frequency-changeable compressor; Said cooling-water machine aircondition also comprises the cool cycles mechanism that links to each other with lathe and lathe is carried out oily temperature control through the water circulation, and said evaporimeter is arranged in the said cool cycles mechanism.
Preferably, also be connected with expansion valve in the pipeline between said condenser and said evaporimeter.
Preferably; Said cool cycles mechanism comprises the evaporation water tank; Said evaporation water tank is provided with the water at low temperature outlet that is used for transporting low temperature water to lathe and is used to receive the high-temperature water inlet of the high-temperature water of lathe output; Said water pump connects through pipeline, through said water pump the water at low temperature in the said evaporation water tank is delivered in the oil circuit of lathe.
Preferably, said cool cycles mechanism also comprises water pump, is arranged between said evaporation water tank and the outlet of said water at low temperature through said water pump.
Preferably, said evaporimeter is an evaporation coil, and said evaporation coil is arranged in the said evaporation water tank.
Preferably, also comprise the temp probe that is used to measure the recycle oil temperature that is arranged in the said lathe oil circuit.
Preferably, also comprise the control device that is used to control the cooling-water machine aircondition, said temp probe links to each other with said control device.
Preferably, said condenser is a finned cooler.
The utility model adopts DC frequency-changeable compressor, and according to the temperature of setting in the system, the method for operation of DC frequency-changeable compressor is controlled, and promptly when system did not reach preset temperature, DC frequency-changeable compressor moved with the high-frequency mode; And when system reached default temperature, DC frequency-changeable compressor moved with the low frequency mode.Like this, just can in the cooling velocity of the recycle oil that guarantees precision machine tool, reduce the thermal deformation of lathe, the machining accuracy of raising lathe to greatest extent, and can reduce the electric power of cooling-water machine aircondition, thereby reduce electricity charge expenditure.
Description of drawings
Fig. 1 is that the system of the utility model cooling-water machine aircondition embodiment constitutes sketch map.
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, Fig. 1 is that the system of the utility model cooling-water machine aircondition embodiment constitutes sketch map.
In the present embodiment; The cooling-water machine aircondition that is provided; Can be applied in the machining as in Digit Control Machine Tool, CNC machining tool and all kinds of precision machine tool; The cooling-water machine aircondition comprises DC frequency-changeable compressor 10, condenser 20 and evaporimeter 30, and is interconnected to refrigerating circuit through pipeline.Wherein, condenser 20 can be finned cooler.And; One end of condenser 20 is connected with the blast pipe of DC frequency-changeable compressor 10; The other end of condenser 20 is connected with an end of evaporimeter 30, and the other end of this evaporimeter 30 links to each other with the muffler of DC frequency-changeable compressor 10, like this; Through interconnecting of DC frequency-changeable compressor 10, condenser 20 and evaporimeter 30, just constituted a refrigerating circuit.
The cooling-water machine aircondition is to control through the circuit board in the control device 40.In the process of cooling-water machine aircondition default temperature from start to the system of reaching; Move with high-frequency mode through control device 40 control DC frequency-changeable compressors 10; Make the operating efficiency of compressor higher, thereby guarantee the cooling velocity of recycle oil in the precision machine tool; And when system reaches default temperature; Just can control DC frequency-changeable compressor 10 through control device 40 moves with low-frequency mode; Thereby avoided the cooling-water machine aircondition owing to be in high-frequency running status for a long time, and produced excessive electric power.
Through the steam of DC frequency-changeable compressor 10 with cold-producing medium boil down to HTHP; The refrigerant vapour of the HTHP of discharging from the blast pipe of DC frequency-changeable compressor 10; Just can enter into condenser 20 through the blast pipe of DC frequency-changeable compressor 10; Carry out heat exchange with the cooling water in the condenser 20, the refrigerant liquid of warm high pressure during it is condensed into.In the present embodiment, a condensation fan 50 can be set, when the cooling water in refrigerant vapour and condenser 20 carries out heat exchange, can coagulate blower fan 50 through this heat that is produced in condenser 20 is distributed.
In the present embodiment, also be provided with an expansion valve 60, can connect in the pipeline between condenser 20 and evaporimeter 30; When the refrigerant vapour of discharging from the blast pipe of DC frequency-changeable compressor 10 and the cooling water the condenser 20 carry out heat exchange and in forming behind the refrigerant liquid of warm high pressure; Refrigerant liquid cognition flows through expansion valve 60, at this moment, and through this expansion valve 60; Can adjust the flow of refrigerant liquid, promptly it carried out throttling; And simultaneously refrigerant liquid is carried out step-down, make it become the refrigerant liquid of low-temp low-pressure.At last, the refrigerant liquid of low-temp low-pressure gets into evaporimeter 20, and after absorbing the heat of chilled water in the evaporimeter 20, will be converted into the refrigerant gas of low-temp low-pressure, and refrigerant gas returns compressor.Like this, just accomplished the course of work of a refrigerating circuit.
The utility model is implemented; Adopt DC frequency-changeable compressor 10; And according to the temperature of setting in the system; Come the method for operation of DC frequency-changeable compressor 10 is controlled through control device 40, promptly when system did not reach preset temperature, control device 40 control DC frequency-changeable compressors 10 moved with the high-frequency mode; And when system reached default temperature, control device 40 control DC frequency-changeable compressors 10 moved with the low frequency mode.Like this, just can in the cooling velocity of the recycle oil that guarantees precision machine tool, reduce the thermal deformation of lathe, the machining accuracy of raising lathe to greatest extent, and can reduce the electric power of cooling-water machine aircondition, thereby reduce electricity charge expenditure.Simultaneously; Through expansion valve 60 is set; Can refrigerant vapour of discharging in the DC frequency-changeable compressor 10 and the cooling water in the condenser 20 be carried out heat exchange and the refrigerant liquid that forms carries out throttling and step-down, make to the control of refrigerant flow more precisely, quick.
In the above-described embodiments; The cooling-water machine aircondition also comprises cool cycles mechanism; This cool cycles mechanism cools off control through the water circulation to the oily temperature of lathe, comprises evaporation water tank 80, wherein deposits the water that is useful on the cooling lathe; This evaporation water tank 80 is provided with water at low temperature outlet 81 and high-temperature water inlet 82, between evaporation water tank 80 and water at low temperature outlet 81, also is provided with water pump 70.Above-mentioned high-temperature water inlet 82, evaporation water tank 80, water pump 70 and water at low temperature outlet 81 are connected through pipeline successively; Wherein high-temperature water inlet 82 connects the top of evaporation water tank 80; Water pump 70 connects the bottom of evaporation water tank 80, and water at low temperature outlet 81 also is connected respectively on the lathe with high-temperature water inlet 82.Under the effect of water pump 70, the water at low temperature of evaporation water tank 80 bottoms will export 81 through water at low temperature and be delivered in the oil circuit of lathe, so that cool off, reduce the oil temperature; The high-temperature water that heat exchange forms then comes back in the evaporation water tank 80 through high-temperature water inlet 82, continues to participate in circulation.
In the present embodiment, evaporimeter 20 is for being provided with the evaporation coil in the evaporation water tank 80, and this evaporation coil is fixed in the evaporation water tank 80, contacts with water in the evaporation water tank 80 and carries out heat exchange.Water at low temperature has been passed through in the lathe oil circuit after the heat exchange with recycle oil, can become the higher high-temperature water of temperature, and can enter into evaporation water tank 80 through high-temperature water inlet 82.If this moment, evaporimeter 20 was worked, the high-temperature water that then evaporates in the water tank 80 will carry out heat exchange with the refrigerant liquid in the evaporation coil, and evaporimeter 20 heat absorptions make high-temperature water become the lower water at low temperature of temperature.Like this, cool cycles mechanism has just realized periodically machine tool being carried out cooling purpose circularly.
In the above-described embodiments; A temp probe 90 that is used to measure the recycle oil temperature can also be set in the oil circuit of lathe; And this temp probe 90 is linked to each other with the control device 40 that is used to control the cooling-water machine aircondition; Like this, just can detect the temperature of the recycle oil in the lathe oil circuit truly through temp probe 90.And with temp probe 90 with after control device 40 links to each other; Detect the oily temperature of recycle oil of lathe when temp probe 60 after; Just can directly feed back to control device 40; And control device 40 receives after the oily temperature data that temp probe 60 fed back; Just can come control according to the oil temperature of lathe to the method for operation of control cooling-water machine aircondition, promptly described above: as to move with the high-frequency mode when the oily temperature of lathe is lower than preset temperature timed unit 40 control DC frequency-changeable compressors 10, move with the low frequency mode when lathe oil temperature reaches preset temperature timed unit 40 control DC frequency-changeable compressors 10.。
The above is merely the preferred embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (8)
1. cooling-water machine aircondition; Be applied to lathe; It is characterized in that said cooling-water machine aircondition comprises DC frequency-changeable compressor, condenser and the evaporimeter that is interconnected to the loop through pipeline, an end of said condenser is connected with the blast pipe of said DC frequency-changeable compressor; The other end is connected with an end of said evaporimeter, and the other end of said evaporimeter links to each other with the muffler of said DC frequency-changeable compressor; Said cooling-water machine aircondition also comprises the cool cycles mechanism that links to each other with lathe and lathe is carried out oily temperature control through the water circulation, and said evaporimeter is arranged in the said cool cycles mechanism.
2. cooling-water machine aircondition as claimed in claim 1 is characterized in that, also is connected with expansion valve in the pipeline between said condenser and said evaporimeter.
3. cooling-water machine aircondition as claimed in claim 1; It is characterized in that; Said cool cycles mechanism comprises the evaporation water tank; Said evaporation water tank is provided with the water at low temperature outlet that is used for transporting low temperature water to lathe and is used to receive the high-temperature water inlet of the high-temperature water of lathe output, and said water pump connects through pipeline, through said water pump the water at low temperature in the said evaporation water tank is delivered in the oil circuit of lathe.
4. cooling-water machine aircondition as claimed in claim 3 is characterized in that, said cool cycles mechanism also comprises water pump, is arranged between said evaporation water tank and the outlet of said water at low temperature through said water pump.
5. cooling-water machine aircondition as claimed in claim 3 is characterized in that, said evaporimeter is an evaporation coil, and said evaporation coil is arranged in the said evaporation water tank.
6. cooling-water machine aircondition as claimed in claim 1 is characterized in that, also comprises the temp probe that is used to measure the recycle oil temperature that is arranged in the said lathe oil circuit.
7. cooling-water machine aircondition as claimed in claim 6 is characterized in that, also comprises the control device that is used to control the cooling-water machine aircondition, and said temp probe links to each other with said control device.
8. like each described cooling-water machine aircondition in the claim 1 to 7, it is characterized in that said condenser is a finned cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205376785U CN202411963U (en) | 2011-12-20 | 2011-12-20 | Air conditioning device of water chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205376785U CN202411963U (en) | 2011-12-20 | 2011-12-20 | Air conditioning device of water chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202411963U true CN202411963U (en) | 2012-09-05 |
Family
ID=46736757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205376785U Expired - Lifetime CN202411963U (en) | 2011-12-20 | 2011-12-20 | Air conditioning device of water chiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202411963U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006592A (en) * | 2014-06-05 | 2014-08-27 | 珠海格力电器股份有限公司 | Frequency adjustment method and frequency adjustment device for variable-frequency compressor in heat pump system |
| TWI628035B (en) * | 2017-08-09 | 2018-07-01 | 財團法人工業技術研究院 | Control system and method for improving thermal stability |
| CN108397964A (en) * | 2018-05-10 | 2018-08-14 | 东莞市巨冈机械工业有限公司 | A kind of constant-temperature cooling system of NC machining lathe |
| CN110548881A (en) * | 2019-09-10 | 2019-12-10 | 天津华恒汽车部件有限公司 | Cooling circulation system of automobile part machining lathe |
| CN112276668A (en) * | 2020-10-17 | 2021-01-29 | 台州学院 | Cooling device for machine tool cooling liquid |
| CN115042008A (en) * | 2022-06-27 | 2022-09-13 | 南昌沪航工业有限公司 | Closed water storage, pressure maintaining, temperature control and water cooling system of numerical control machine tool |
-
2011
- 2011-12-20 CN CN2011205376785U patent/CN202411963U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006592A (en) * | 2014-06-05 | 2014-08-27 | 珠海格力电器股份有限公司 | Frequency adjustment method and frequency adjustment device for variable-frequency compressor in heat pump system |
| CN104006592B (en) * | 2014-06-05 | 2016-08-24 | 珠海格力电器股份有限公司 | The frequency adjustment method of frequency-changeable compressor and device in heat pump |
| TWI628035B (en) * | 2017-08-09 | 2018-07-01 | 財團法人工業技術研究院 | Control system and method for improving thermal stability |
| CN109382698A (en) * | 2017-08-09 | 2019-02-26 | 财团法人工业技术研究院 | Thermal stability control system and method |
| US10596670B2 (en) | 2017-08-09 | 2020-03-24 | Industrial Technology Research Institute | Control system and method for improving thermal stability |
| CN109382698B (en) * | 2017-08-09 | 2020-05-19 | 财团法人工业技术研究院 | Thermal stability control system and method |
| CN108397964A (en) * | 2018-05-10 | 2018-08-14 | 东莞市巨冈机械工业有限公司 | A kind of constant-temperature cooling system of NC machining lathe |
| CN110548881A (en) * | 2019-09-10 | 2019-12-10 | 天津华恒汽车部件有限公司 | Cooling circulation system of automobile part machining lathe |
| CN112276668A (en) * | 2020-10-17 | 2021-01-29 | 台州学院 | Cooling device for machine tool cooling liquid |
| CN115042008A (en) * | 2022-06-27 | 2022-09-13 | 南昌沪航工业有限公司 | Closed water storage, pressure maintaining, temperature control and water cooling system of numerical control machine tool |
| CN115042008B (en) * | 2022-06-27 | 2023-12-01 | 南昌沪航工业有限公司 | Closed water storage pressure maintaining temperature control water cooling system of numerical control machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |